315272239 has 2 divisors, whose sum is σ = 315272240. Its totient is φ = 315272238.

The previous prime is 315272233. The next prime is 315272257. The reversal of 315272239 is 932272513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315272239 - 2³ = 315272231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315272231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157636119 + 157636120.

It is an arithmetic number, because the mean of its divisors is an integer number (157636120).

Almost surely, 2^315272239 is an apocalyptic number.

315272239 is a deficient number, since it is larger than the sum of its proper divisors (1).

315272239 is an equidigital number, since it uses as much as digits as its factorization.

315272239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 315272239 is about 17755.9071579010. The cubic root of 315272239 is about 680.6051698875.

The spelling of 315272239 in words is "three hundred fifteen million, two hundred seventy-two thousand, two hundred thirty-nine".